Hepatitis is an infectious disease caused by the hepatitis virus types A, B, and C, which causes liver-related diseases such as Hepatitis A, B, C, liver cirrhosis, hepatocellular carcinoma, and liver failure. It is possible that the infected person will die as a result. The infection is spread through the transmission of the hepatitis A and hepatitis B viruses through contact with infected people's body fluids (blood, for example). Hepatitis vaccine s are available for the prevention of both hepatitis A and hepatitis B, and they work by increasing the person's immunity, preventing complications such as liver failure and cancer. Children are the most vulnerable to infection. Hepatitis B is more common in the world than hepatitis A. When is the hepatitis vaccine administered? The HEPA vaccine is recommended for children aged 12 months and up, with a follow-up dose at least 6 months later. If a baby is going to a place where hepatitis A is common, HEPA can be given as ...